Redding Imperial Sizing Die Wax is the most recognized product of the line. Because of its superior performance and ease of application and cleanup, this product has been a favorite of knowledgeable reloaders for years. Redding is committed to maintaining the integrity of this product by producing it to the exact formulation that made it so popular. For use inside and outside the case neck to reduce drag on both the die and size button without concern of powder contamination.